January 19th, 2011, 07:38 PM  #1 
Newbie Joined: Jan 2011 Posts: 1 Thanks: 0  Need solution of following eqn.
I need a solution of this eqn. ?.(???)=0 if there is no ?, then ?=x^2y^2 can easily be taken as solution but I am confused as ? is present. Here ? is electrical conductivity and ? is electrical potential. 
January 26th, 2011, 07:27 PM  #2 
Senior Member Joined: Nov 2010 Posts: 288 Thanks: 1  Re: Need solution of following eqn.
common guys any ideas?


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